What ISS ESG does

ISS ESG operates as the sustainability solutions division of ISS STOXX GmbH, a privately-held German financial data and analytics group with US operations headquartered in Rockville, Maryland. The unit delivers ESG and sustainability data, analytics, ratings, and regulatory compliance solutions to institutional investors, asset managers, and corporate clients globally, alongside the broader ISS group's proxy advisory, governance research, and index services. Its technology stack is anchored by the DataDesk screening and analytics platform, which covers 130,000 issuers with 13,500 data factors and provides portfolio-level and issuer-level analysis with daily alerts.

The product portfolio extends across sustainability ratings covering 8,200 companies, 830 sovereign issuers, and 45,000 funds; climate and nature analytics over 37,500 issuers with more than 1,000 indicators; regulatory solutions covering up to 64,500 issuers; screening and controversies research over 18,500–30,000 issuers; and impact, governance, financial, and custom ratings. Complementary platforms include ProxyExchange for end-to-end voting, Voting Policy Gateway, Global Proxy Distribution, the STOXX Data Distribution Platform (including EURO STOXX 50, STOXX Europe 600, and DAX indices active since 1998), and an ISS STOXX Research Institute publishing governance and sustainability reports.

Revenue mechanics are subscription-based: ISS ESG sells enterprise data and analytics subscriptions to financial institutions through a B2B direct sales motion with a 'Contact a Specialist' interface targeting portfolio managers, ESG and sustainability professionals, corporate governance teams, and corporate treasury functions. Pricing is not publicly disclosed and is quote-based. Distribution is direct enterprise field sales; supporting marketing channels include LinkedIn, content marketing, the Sustainability Digest newsletter, webinars, podcasts, and market engagement events. Corporate customers documented include Nagarro, which uses ISS ESG ratings to track sustainability performance across global indices. As of April 2026, ISS ESG's parent group faces an active legal dispute with the State of Indiana over proxy advisory legislation.

Name

ISS ESG

Legal name

ISS STOXX GmbH

Website

https://iss-esg.com

Company type

Private

Founded year

1998

Operating status

Operating

Short description

ISS ESG is the sustainability solutions division of ISS STOXX GmbH, providing ESG data, analytics, ratings, and regulatory compliance tools to institutional investors and asset managers globally through the DataDesk platform and related stewardship and climate analytics products.

Ownership category

akta.pro rank

Product category

ESG Data & Analytics

NAICS

Portfolio Management and Investment Advice (523940), Securities and Commodity Exchanges (5232)

SIC

Investment Advice (6282), Finance Services (6199)

akta.pro primary industry

ESG Data, Ratings & Research (Providers, Methodologies, Analytics) (FSAAALAJ)

akta.pro secondary industries

ESG Data, Ratings & Climate Benchmarks (FSAFAIAI), ESG & Sustainability Research (FSACAGAH), Sustainable Finance & ESG Ratings/Benchmarking Support (EUAHAJAH)

Keywords

• ESG data analytics
• Sustainability ratings
• Proxy voting services
• Climate risk analytics
• Governance research

Headquarters

HQ city

Rockville

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales

Revenue model

1. Data & Analytics Subscription: ISS ESG generates revenue through subscription-based data and analytics services, providing institutional clients with access to sustainability ratings, screening tools, climate data, and regulatory compliance solutions. The company serves financial institutions through DataDesk and other proprietary platforms.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

ISS ESG provides institutional investors and asset managers with sustainability data, analytics, and ratings covering environmental, social, and governance factors. Core products include the DataDesk screening and analytics platform (13,500 factors across 130,000 issuers), ProxyExchange voting platform, STOXX Indices (EURO STOXX 50, STOXX Europe 600, DAX), ESG ratings for corporates/sovereigns/funds, climate and nature analytics, and regulatory compliance datasets. Services are sold on a subscription basis to financial institutions globally.

Product overview

ISS ESG operates as a comprehensive sustainability and governance solutions platform under the ISS STOXX group. The offering is a multi-module platform architecture combining data, analytics, ratings, and engagement services. Core products include DataDesk (screening and analytics platform with 13,500 factors across 130,000 issuers), ProxyExchange (voting platform), and STOXX Indices (including EURO STOXX 50 and STOXX Europe 600). The sustainability suite includes Sustainability Ratings & Rankings (covering 8,200 companies), Climate & Nature Analytics (37,500 issuers), Regulatory Solutions (64,500 issuers), Raw Data, Screening & Controversies, Impact Ratings, and Custom Ratings. Research services encompass Governance & Financial Scores, Fund Rating (45,000 funds), Sovereign Rating (830 issuers), and Securities Class Action Services. The platform integrates stewardship solutions with voting, engagement, and portfolio reporting capabilities, supported by the Methodology Library for transparent rating methodologies.

Differentiator

Problem solved

Functional benefit

Brands

• DataDesk: Screening and analytics platform providing portfolio- and issuer-level analysis as well as daily alerts
• ProxyExchange
• STOXX Data Distribution Platform
• Voting Policy Gateway
• Sustainability Ratings
• Climate & Nature Analytics
• ISS STOXX Research Institute

Products and services

• DataDesk Screening and analytics platform providing portfolio- and issuer-level ESG analysis and daily alerts, covering 13,500 factors across 130,000 issuers for institutional investors.
• ProxyExchange End-to-end voting platform for proxy voting and shareholder engagement, used by institutional investors globally.
• Sustainability Ratings & Rankings Decision-useful research and ratings to identify sustainability risks and best-in-class investments, covering 8,200 companies.
• Climate & Nature Analytics Actionable intelligence on climate change and nature-related risk, covering 37,500 issuers with over 1,000 indicators including emissions, transition risk, physical risk, and Net Zero.
• Regulatory Solutions Specialized datasets and analytics supporting compliance with increasing ESG disclosure requirements, covering up to 64,500 issuers.
• Screening & Controversies Tools to research, analyze, and screen companies based on ESG criteria, covering 18,500–30,000 issuers with controversies intelligence.
• Impact Ratings Ratings assessing the positive and negative environmental and social impacts of companies for impact-focused investment strategies.
• Climate & Nature Ratings Ratings focused specifically on climate and nature-related performance and risk assessment for use in portfolio construction.
• Governance & Financial Scores Scores assessing corporate governance practices and financial performance metrics for issuer evaluation.
• Custom Ratings Tailored rating methodologies customized to specific client requirements and investment frameworks.
• Raw Data Comprehensive set of environmental, social, and governance datapoints delivered without additional assessment or scoring overlay, for institutional data integration.
• Engagement & Bespoke Solutions Shareholder engagement support and customized services including bespoke indices, voting solutions, and tailored client deliverables.
• Portfolio Reporting Portfolio-level reporting solutions addressing regulatory requirements, streamlining reporting efficiency, and supporting alignment with international sustainability frameworks.
• STOXX Indices Index solutions including EURO STOXX 50, STOXX Europe 600, and DAX, serving as underlying assets for ETFs, structured products, and derivatives.
• End-to-End Voting Comprehensive proxy voting solution covering voting recommendations, policy application, and execution for institutional investors.
• Voting Policy Gateway Platform for accessing and managing voting policies used in proxy voting decisions across global markets.
• Global Proxy Distribution Global distribution services for proxy materials and shareholder communications to issuers and investors.
• Investor Workflow Solutions Solutions supporting investor workflow management for stewardship activities including voting, engagement, and reporting.
• STOXX Data Distribution Platform Platform for distributing STOXX and DAX index and benchmark data governed by EU Benchmark Regulation.
• Securities Class Action Services Securities class action monitoring and claims processing services for institutional investors to recover losses.

Named customers1 record

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• State of IndianaminorOthers · 16 April 2026ISS has filed a lawsuit against Indiana regarding legislation related to proxy advisory services, describing the law as 'onerous'. This is a legal dispute rather than a commercial partnership.

Scale indicators8 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• MSCI: MSCI is a direct competitor offering ESG ratings, ESG/sustainability indices, and climate analytics alongside its core index franchise. It is the most direct peer to ISS ESG's corporate sustainability, climate, and index products, and is explicitly named alongside ISS in MIT Sloan research as one of the six major ESG index providers.
• Sustainalytics (Morningstar): Sustainalytics, owned by Morningstar, is a direct competitor in ESG risk ratings, corporate ESG research, and fund-level ESG analytics. Its risk ratings methodology and coverage of corporates directly mirror ISS ESG's Sustainability Ratings and Fund Rating offerings.
• FTSE Russell (LSEG): FTSE Russell operates ESG-tilted indices (e.g., FTSE4Good) and provides ESG data and analytics. It is one of the six major ESG index providers alongside ISS STOXX, with overlapping index, ratings, and screening products.
• LSEG (Refinitiv ESG): LSEG, through Refinitiv, offers ESG scores, climate data, and sustainability analytics that overlap with ISS ESG's data, ratings, and screening products. It serves the same institutional investor base via terminal and feed distribution.
• Moody's (Moody's ESG Solutions): Moody's ESG Solutions (including Moody's Analytics climate and ESG offerings) provides ESG and climate risk assessments to investors and corporates, directly competing with ISS ESG's ratings and climate analytics products.
• S&P Global (Sustainable1): S&P Global Sustainable1 provides ESG scores, climate analytics, and sustainability datasets that directly overlap with ISS ESG's sustainability ratings, climate analytics, and regulatory solutions. It is also a fellow major index provider named alongside ISS in industry studies.
• Bloomberg ESG Data: Bloomberg provides ESG data, scores, and analytics distributed through the Bloomberg Terminal to institutional investors. It competes head-to-head with ISS ESG for raw ESG data and screening workflows within asset manager and asset owner workflows.

Emerging players

• RepRisk: RepRisk provides ESG and business conduct risk data, including controversies screening, that directly overlaps with ISS ESG's Screening & Controversies product. It serves institutional investors needing issuer-level risk monitoring.
• Clarity AI: Clarity AI is an emerging sustainability analytics platform offering ESG ratings, climate analytics, and portfolio impact measurement. It overlaps with ISS ESG's sustainability ratings and climate analytics offerings, particularly with digitally-native institutional clients.

Others

• CDP: CDP (formerly Carbon Disclosure Project) operates the global disclosure system for environmental data used by investors and corporates. While not a direct commercial competitor for ESG ratings, it is a key data contributor and ecosystem participant whose climate datasets feed into ISS ESG's climate analytics.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/iss-institutional-shareholder-services

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ISS ESG